TMP93xy20FG Toshiba, TMP93xy20FG Datasheet - Page 212

• Manufacturer Part Number: TMP93xy20FG
• Manufacturer: Toshiba

Specifications of TMP93xy20FG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): M/P
• Rom Combinations: 64
• Ram Combinations: 2
• Architecture: 16-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: 1
• (s)dram Controller: -
• Adc 10-bit Channel: 8
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 4
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: -
• Dual Clock: Y
• Number Of I/o Ports: 88
• Power Supply Voltage(v): 4.5 to 5.5

3.14 LCD Driver
3.14.1
the control circuit.
a.
b.
c.
LCD drive constant voltage boosting circuit.
a.
b.
c.
d.
The TMP93CS20 includes a driver which drives a liquid crystal display (LCD) directly and
The pins to be connected to the LCD are as follows:
Additionally, the TMP93CS20 includes C0, C1, V1, V2, and V3 pins which are used for the
The following LCDs can drive directly.
Segment output pin
Segment output/P9 and PA I/O port pin 16 pins (SEG39 to SEG24)
Common output pin
1/4 duty (1/3 bias) LCD ....... maximum 160 pixels (8 segments × 20 digits)
1/3 duty (1/3 bias) LCD ....... maximum 120 pixels (8 segments × 15 digits)
1/2 duty (1/3 bias) LCD ....... maximum 80 pixels (8 segments × 10 digits)
Static LCD ........................... maximum 40 pixels (8 segments × 5 digits)
Configuration
fc/2
fc/2
fc/2
fc/2
CHPCR
EDSP EDCP
14
12
11
10
7
, fs/2
, fs/2
, fs/2
, fs/2
LCDCR
5
3
2
C0 C1 V1 V2 V3
6
Boosting circuit
LCD driver control register
……
7
6
SLFR
5
Figure 3.14.1 LCD Driver
SBF
4
COM0
Duty control
Blanking
control
fc/2
fc/2
fc/2
fc/2
Common driver
93CS20-210
3
18
17
16
15
DUTY
, fs/2
, fs/2
, fs/2
, fs/2
to
2
9
8
7
6
COM3
generation
24 pins (SEG23 to SEG0)
4 pins (COM3 to COM0)
1
Timing
circuit
SLF
SEG0
0
Display data buffer register
Display data select control
to
Segment driver
DBR display
data area
SEG23
SEG24 to
SEG39
TMP93CS20
2004-02-10